__author__  = ''
__docformat__ = 'restructuredtext'

from Products.ATContentTypes.interfaces import IATFolder
from Products.ATContentTypes.interfaces.image import IImageContent
from Products.ATContentTypes.interfaces import IATContentType
class IShelf(IATFolder):
    """Shelf Item marker interface
    """
class IBook(IATFolder):
    """Book Item marker interface
    """
class IPage(IImageContent):
    """Page Item marker interface
    """
class IApp(IATContentType):
    """Apple App Item marker interface
    """